Mining-car.



L. G. HELMIOK.

MINING OAR.

APPLICATION FILED JULY 15,1912.

Patented Dec. 24, 1912 'vide an axle box UNITED STATES PATENT OFFICE.

. LOUIS G. HELMICK, FAIRMONT, WEST VIRGINIA.

MINING-CAR...

To an whom it-ntag concern:

. Be it known that' I, LoUIs G. HELMIOK, a

certain new and useful Improvements in Mining-Cars, specification.

This invention relates-to certain new and useful improvements in mining cars and more particularly to the means for mounting the axle boxes; the object being to promounting in the form of a rectangular frame composed of transverse corrugated bars which are connected to- 'ether by longitudinal bars,-said corru ated bars forming supports for the axle oxes and at the same time strengthening the body of the car when placed in position thereon so of which the following is a as to prevent the sagging of the car when loaded, thereby overcoming the difliculties now existing with mine cars now in use, as when-overloaded the body sags to such an extent that the axle is bound, thereby pre venting the free turning of the same.

Another object of my invention is to provide axle boxes which conform in shape to the shape of the corrugated bars in cross section, so that when in position thereon, all danger of the same moving is prevented, and at the same time the axle is mounted adjacent the bottom of the car in order to roduce a low 'mine car'which will have a of the advantages of'the cars now in use.

Another object of my invention is to provide dust guards for the axle boxes by extending the ends of the transverse bars outwardly to each side of the car body.

Other and further objects and a vantages of the invention will be hereinafter set forth and the novel features thereof defined by the appended claims.

In the drawings-Figure 1, 1s an inverted plan view of the mining car showing the application of my improved axle box mounting in position thereon; Fig. 2, is a vertical section taken on the line 22 of 171g. 1; and Fig. 3, is a section taken on the line 3-3 of Fig. 1.

Like numerals of reference refer to corresponding parts in the several figures of the drawings.

In carrying out my improved invention I employ a pair of transverse bars 1 and 2 which are connected adjacent their ends by Specification of Letters Patent. Application filed July 15, 1912. Serial No. 709,581.

vthe bottom of a mine car Paten ed Dec. 24, 1912.

longitudinal bars 3 and 4 forming substana tialy a rectangular frame which can be formed of any suitable metal but is herein shown formed of flat ,bars, the longitudinal bars 3 and 4 being offset shown at 5 and riveted to the transverse bars by rivets so as to form a strong and rigid frame which can be placed in position upon 6, and secured in that position by bolts '7. tion the axle box mounting can be formed and mounted on a car body or the same detached therefrom as desired.

The transverse bars 1 and 2 are corrugated longitudinally tudinal ri s 8 forming a-central flat portion 9 as clearly shown in Fig. 2, said ribs strengthening the cross bars in such a mariner t at when great strain is laced upon the same, the body is prevented gmg. The crossbars are of a greater width than the width of the car body 6 and pro-' ject outwardly to each side thereof, as shownat 10 in order to protect the axle .boxes as will be hereinafter fully described. 8

Mounted-upon the cross bars adjacent each end thereof are axle boxes 11 which are provided with grooves 12 and a central rib portion 13 adapted to fit within the central groove of the cross bars 1 and 2; Said boxes conforming in shape to the shape of the cross bars in crosssect-ion, and adapted to be interlocked and fastened together by bolts 14 passing through. the bottom of the car as shown in'Fig. 2. The axle boxes are 9 provided with journal ortions 15 in which are mounted axles 16 w ich are of the ordinary construction, and from this construction, it will be'seen that the axles o cupy the space between the longitudinal r of the cross bars in order to protect :1 Id t bring the same as close as possible 'to .tht under surface of thc'car. It will be seen that the axle boxes are.

mounted under the body of the car, and that the transverse bars project beyond the sides thereof so as to form, dust guards which are very essential in minecars as when the car is being loaded the coal when thrown into the same is prevented from dropping onto the axleboxes. The car is formed wlththe usual transverse bars 17 which extend up along the sides of the car, as clearly shown and in constructing a car in accordance with my invention,

at their ends as 60 By this construc- 65 torform spaced longi- 70 r from sag- 7.5

these bars are arranged boxes in such a manner that they are main-,

tained in their proper position Without any danger of moving.

I claim: v

1. A mine car havin a frame secured to the body thereof, said i i'ame being provided with transverse bars having spaced longitudinal ribs," said bars being of greater length than thewidth of the car, and axle boxes provided with spaced grooves and a central rib adapted to fit and be secured upon said cross bar,

2. The combination with a car body, of a pairof transverse bars secured in position upon the bottomthereof and extending out to each side thereof, said bars being prov vided with snaced longitudinal ribs formin a central groove, longitudinal bars provide with oflset ends connecting said transverse bars adjacent the ends thereof, and axle." boxes provided with spaced grooves to re-= ceive said ribs, and' a central rib fitting. within the groove of said transverse 'bars' said axle boxes being secure'dfl upon 'said a transverse bars" by bolts 'passingiithroughksaid boxes, bars and bottom of thecar; In testimony whereof I aflix mysignatura. in presence of two wlt'nesses.

'LOUIS e. HEtMioK;

Witnesses: V

FREDVHELMICK, B. Crown. 

